1 . 在
中,
是
的中点,
是
的中点,那么下列各式中正确的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-12-22更新
|
432次组卷
|
2卷引用:河北省张家口市2017-2018学年高一12月月考数学试题
2 . 函数
的图象可由函数
的图象
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49f4ae2a64918342885987ed9d79cfdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21b314a6f864e8fd4a77cde767fe1f1e.png)
A.向右平移![]() | B.向左平移![]() |
C.向右平移![]() | D.向右平移![]() |
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3 . 在四边形
中,对角线
与
交于点
,若
,则四边形
一定是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d2e5844eee0229976eb6ba318390999.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
A.矩形 | B.梯形 | C.平行四边形 | D.菱形 |
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4 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be9814a737e13ebcc4d23d9ce651e058.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/536e072eb0439a5e5b430cd55a129374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be9814a737e13ebcc4d23d9ce651e058.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a5b10f8936eab4c92cfa546d0fa95db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a5b10f8936eab4c92cfa546d0fa95db.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 如图,在平行四边形
中,
,
是
上一点,且
.
(1)求实数
的值;
(2)记
,
,试用
表示向量
,
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e9255fe51caea7429120c96af96893f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb1ea3d065c03eb03108fca736fc9036.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad481cbfb67ac9cdbc0537f3de23b022.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a68386681475be0860bc75a18df0496.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eea0f34ee8337670988e909ef937f1dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d194ecefc9101001d88d3cc0bc9d6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec6b90286fbc3f01db059fadd8cfa35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a91c866e177f287d9121a102fb05ca14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/878a37dedbde5f0f38258daed965ab08.png)
![](https://img.xkw.com/dksih/QBM/2017/11/16/1818332946358272/1818953148628992/STEM/fb6f0d94c7af465c8e162e2ca5d8afcb.png?resizew=229)
您最近一年使用:0次
2017-11-17更新
|
1247次组卷
|
2卷引用:河北省张家口市2017-2018学年高一12月月考数学试题
解题方法
7 . 已知向量
,
的夹角为
,且
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a92e6eba8dab638fd66831cd3a0b6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427fa45527d0ce469bfd060bf6f991f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca82d2d4a06a8ebbfd5a48b0a6a0594.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1dfdfc197ebceb9329a39ead738efe4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8d207b1cf6b965d12ed3488a257a4a3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-04更新
|
665次组卷
|
4卷引用:2016-2017学年河北省张家口市第一中学高二(衔接文科班)3月月考数学试卷
14-15高三上·福建福州·阶段练习
名校
8 . 已知
,
,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b80751c98f9991b9cfc03923a98834.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6bcba6144901c94bf728c3bf89eddd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c8730262dbda445dffe5e8d72bc1079.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68773d21eb81ed550ab85ca0999c03c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09379013d05b164e4e19ae674b7d9a23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b80751c98f9991b9cfc03923a98834.png)
您最近一年使用:0次
2016-12-03更新
|
1261次组卷
|
7卷引用:2016-2017学年河北省张家口市第一中学高二(衔接文科班)3月月考数学试卷
13-14高三上·甘肃临夏·期中
名校
9 . 已知函数
.
(1)求函数
的最小正周期及单调递减区间;
(2)当
时,函数
的最大值与最小值的和为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa47e333f5c369d99d86aea071f225a7.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75cceab49a0132b41f3800476a951b63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-02更新
|
1637次组卷
|
13卷引用:2016-2017学年河北省张家口市第一中学高二(衔接文科班)3月月考数学试卷
2016-2017学年河北省张家口市第一中学高二(衔接文科班)3月月考数学试卷2017届吉林省实验中学高三上学期二模数学(文)试卷2016-2017学年云南省云天化中学高二上学期期末考试数学(文)试卷(已下线)2014届甘肃省临夏中学高三上学期期中考试理科数学试卷(已下线)2014届甘肃省临夏中学高三上学期期中考试文科数学试卷(已下线)2014届天津市蓟县高三上学期期中考试理科数学试卷(已下线)2014届高考数学总复习考点引领+技巧点拨第三章第6课时练习卷2017届山东滨州市高三上期中数学(文)试卷黑龙江省牡丹江市海林市朝鲜族中学2019-2020学年高一上学期期末数学试题安徽省黄山市屯溪第一中学2019-2020学年高一下学期入学考试数学试题福建省龙岩市武平县第一中学2021届高三10月月考数学试题陕西省咸阳市高新一中2020-2021学年高三上学期期中质量检测文科数学试题宁夏吴忠中学2022届高三第二次月考数学(理)试题
11-12高二下·广东东莞·阶段练习
10 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460445e9861629bb5596e53897f126a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/646ea9f262b6e0fa956f04a4417d2912.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460445e9861629bb5596e53897f126a0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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